depends openssl                                     &&

optional_depends    "fltk"                          \
                    "--with-gui=yes"                \
                    "--with-gui=no"                 \
                    "for compile with GUI"          &&
                    
optional_depends    "jpeg"                          \
                    "--disable-localjpg"            \
                    "--enable-localjpg"             \
                    "for shared jpeg library use"   &&
                    
optional_depends    "libpng"                        \
                    "--disable-localpng"            \
                    "--enable-localpng"             \
                    "for shared png library use"    &&
                    
optional_depends    "zlib"                          \
                    "--disable-localzlib"           \
                    "--enable-localzlib"            \
                    "for shared zlib library use"

